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From: <yongqiang.niu@mediatek.com>
To: CK Hu <ck.hu@mediatek.com>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	Rob Herring <robh+dt@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>
Cc: David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
	Mark Rutland <mark.rutland@arm.com>,
	<dri-devel@lists.freedesktop.org>, <devicetree@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-mediatek@lists.infradead.org>,
	Yongqiang Niu <yongqiang.niu@mediatek.com>
Subject: [PATCH v4, 18/33] drm/mediatek: add component DITHER
Date: Tue, 9 Jul 2019 06:33:58 +0800	[thread overview]
Message-ID: <1562625253-29254-19-git-send-email-yongqiang.niu@mediatek.com> (raw)
In-Reply-To: <1562625253-29254-1-git-send-email-yongqiang.niu@mediatek.com>

From: Yongqiang Niu <yongqiang.niu@mediatek.com>

This patch add component DITHER

Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
---
 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 32 +++++++++++++++++++++++++++++
 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h |  2 ++
 2 files changed, 34 insertions(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
index 1aa4224..bc92a1b 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -47,6 +47,12 @@
 #define CCORR_RELAY_MODE			BIT(0)
 #define DISP_CCORR_SIZE				0x0030
 
+#define DISP_DITHER_EN				0x0000
+#define DITHER_EN				BIT(0)
+#define DISP_DITHER_CFG				0x0020
+#define DITHER_RELAY_MODE			BIT(0)
+#define DISP_DITHER_SIZE			0x0030
+
 #define DISP_GAMMA_EN				0x0000
 #define DISP_GAMMA_CFG				0x0020
 #define DISP_GAMMA_SIZE				0x0030
@@ -155,6 +161,24 @@ static void mtk_ccorr_stop(struct mtk_ddp_comp *comp)
 	writel_relaxed(0x0, comp->regs + DISP_CCORR_EN);
 }
 
+static void mtk_dither_config(struct mtk_ddp_comp *comp, unsigned int w,
+			      unsigned int h, unsigned int vrefresh,
+			      unsigned int bpc)
+{
+	writel(h << 16 | w, comp->regs + DISP_DITHER_SIZE);
+	writel(DITHER_RELAY_MODE, comp->regs + DISP_DITHER_CFG);
+}
+
+static void mtk_dither_start(struct mtk_ddp_comp *comp)
+{
+	writel(DITHER_EN, comp->regs + DISP_DITHER_EN);
+}
+
+static void mtk_dither_stop(struct mtk_ddp_comp *comp)
+{
+	writel_relaxed(0x0, comp->regs + DISP_DITHER_EN);
+}
+
 static void mtk_gamma_config(struct mtk_ddp_comp *comp, unsigned int w,
 			     unsigned int h, unsigned int vrefresh,
 			     unsigned int bpc)
@@ -209,6 +233,12 @@ static void mtk_gamma_set(struct mtk_ddp_comp *comp,
 	.stop = mtk_ccorr_stop,
 };
 
+static const struct mtk_ddp_comp_funcs ddp_dither = {
+	.config = mtk_dither_config,
+	.start = mtk_dither_start,
+	.stop = mtk_dither_stop,
+};
+
 static const struct mtk_ddp_comp_funcs ddp_gamma = {
 	.gamma_set = mtk_gamma_set,
 	.config = mtk_gamma_config,
@@ -234,6 +264,7 @@ static void mtk_gamma_set(struct mtk_ddp_comp *comp,
 	[MTK_DISP_CCORR] = "ccorr",
 	[MTK_DISP_AAL] = "aal",
 	[MTK_DISP_GAMMA] = "gamma",
+	[MTK_DISP_DITHER] = "dither",
 	[MTK_DISP_UFOE] = "ufoe",
 	[MTK_DSI] = "dsi",
 	[MTK_DPI] = "dpi",
@@ -256,6 +287,7 @@ struct mtk_ddp_comp_match {
 	[DDP_COMPONENT_CCORR]	= { MTK_DISP_CCORR,	0, &ddp_ccorr },
 	[DDP_COMPONENT_COLOR0]	= { MTK_DISP_COLOR,	0, NULL },
 	[DDP_COMPONENT_COLOR1]	= { MTK_DISP_COLOR,	1, NULL },
+	[DDP_COMPONENT_DITHER]	= { MTK_DISP_DITHER,	0, &ddp_dither },
 	[DDP_COMPONENT_DPI0]	= { MTK_DPI,		0, NULL },
 	[DDP_COMPONENT_DPI1]	= { MTK_DPI,		1, NULL },
 	[DDP_COMPONENT_DSI0]	= { MTK_DSI,		0, NULL },
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
index 8ac9f62..a0ea8c9 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
@@ -30,6 +30,7 @@ enum mtk_ddp_comp_type {
 	MTK_DISP_WDMA,
 	MTK_DISP_COLOR,
 	MTK_DISP_CCORR,
+	MTK_DISP_DITHER,
 	MTK_DISP_AAL,
 	MTK_DISP_GAMMA,
 	MTK_DISP_UFOE,
@@ -49,6 +50,7 @@ enum mtk_ddp_comp_id {
 	DDP_COMPONENT_CCORR,
 	DDP_COMPONENT_COLOR0,
 	DDP_COMPONENT_COLOR1,
+	DDP_COMPONENT_DITHER,
 	DDP_COMPONENT_DPI0,
 	DDP_COMPONENT_DPI1,
 	DDP_COMPONENT_DSI0,
-- 
1.8.1.1.dirty


  parent reply	other threads:[~2019-07-08 22:36 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-08 22:33 [PATCH v4, 00/33] add drm support for MT8183 yongqiang.niu
2019-07-08 22:33 ` [PATCH v4, 01/33] dt-bindings: mediatek: add binding for mt8183 display yongqiang.niu
2019-07-17  3:22   ` CK Hu
2019-07-08 22:33 ` [PATCH v4, 02/33] dt-bindings: mediatek: add ovl_2l description " yongqiang.niu
2019-07-24 20:15   ` Rob Herring
2019-07-08 22:33 ` [PATCH v4, 03/33] dt-bindings: mediatek: add ccorr " yongqiang.niu
2019-07-17  3:37   ` CK Hu
2019-07-08 22:33 ` [PATCH v4, 04/33] dt-bindings: mediatek: add dither " yongqiang.niu
2019-07-17  3:40   ` CK Hu
2019-07-08 22:33 ` [PATCH v4, 05/33] dt-bindings: mediatek: add RDMA1 " yongqiang.niu
2019-07-24 20:16   ` Rob Herring
2019-07-25  3:20     ` CK Hu
2019-07-25 22:23       ` Rob Herring
2019-07-08 22:33 ` [PATCH v4, 06/33] dt-bindings: mediatek: add mutex " yongqiang.niu
2019-07-16 23:59   ` Ryan Case
2019-07-08 22:33 ` [PATCH v4, 07/33] arm64: dts: add display nodes for mt8183 yongqiang.niu
2019-07-08 22:33 ` [PATCH v4, 08/33] drm/mediatek: add mutex mod into ddp private data yongqiang.niu
2019-07-17  5:22   ` CK Hu
2019-07-08 22:33 ` [PATCH v4, 09/33] drm/mediatek: add mutex mod register offset " yongqiang.niu
2019-07-17  5:23   ` CK Hu
2019-07-08 22:33 ` [PATCH v4, 10/33] drm/mediatek: add mutex sof " yongqiang.niu
2019-07-17  5:28   ` CK Hu
2019-07-08 22:33 ` [PATCH v4, 11/33] drm/mediatek: add mutex sof register offset " yongqiang.niu
2019-07-17  5:31   ` CK Hu
2019-07-08 22:33 ` [PATCH v4, 12/33] drm/mediatek: split DISP_REG_CONFIG_DSI_SEL setting into another use case yongqiang.niu
2019-07-17  5:35   ` CK Hu
2019-08-29 12:39     ` Yongqiang Niu
2019-07-08 22:33 ` [PATCH v4, 13/33] drm/mediatek: add mmsys private data for ddp path config yongqiang.niu
2019-07-17  5:46   ` CK Hu
2019-07-08 22:33 ` [PATCH v4, 14/33] drm/mediatek: move rdma sout from mtk_ddp_mout_en into mtk_ddp_sout_sel yongqiang.niu
2019-07-08 22:33 ` [PATCH v4, 15/33] drm/mediatek: add ddp component CCORR yongqiang.niu
2019-07-08 22:33 ` [PATCH v4, 16/33] drm/mediatek: add commponent OVL_2L0 yongqiang.niu
2019-07-08 22:33 ` [PATCH v4, 17/33] drm/mediatek: add component OVL_2L1 yongqiang.niu
2019-07-08 22:33 ` yongqiang.niu [this message]
2019-07-08 22:33 ` [PATCH v4, 19/33] drm/mediatek: add gmc_bits for ovl private data yongqiang.niu
2019-07-08 22:34 ` [PATCH v4, 20/33] drm/medaitek: add layer_nr " yongqiang.niu
2019-07-08 22:34 ` [PATCH v4, 21/33] drm/mediatek: add function to background color input select for ovl/ovl_2l direct link yongqiang.niu
2019-07-17  5:53   ` CK Hu
2019-07-08 22:34 ` [PATCH v4, 22/33] drm/mediatek: add background color input select function for ovl/ovl_2l yongqiang.niu
2019-07-17  5:58   ` CK Hu
2019-07-08 22:34 ` [PATCH v4, 23/33] drm/mediatek: add ovl0/ovl_2l0 usecase yongqiang.niu
2019-07-16 23:13   ` Ryan Case
2019-07-17  6:47   ` CK Hu
2019-08-29 13:15     ` Yongqiang Niu
2019-07-08 22:34 ` [PATCH v4, 24/33] drm/mediatek: distinguish ovl and ovl_2l by layer_nr yongqiang.niu
2019-07-17  6:55   ` CK Hu
2019-07-08 22:34 ` [PATCH v4, 25/33] drm/mediatek: add clock property check before get it yongqiang.niu
2019-07-17  7:01   ` CK Hu
2019-07-08 22:34 ` [PATCH v4, 26/33] drm/mediatek: add connection from OVL0 to OVL_2L0 yongqiang.niu
2019-07-08 22:34 ` [PATCH v4, 27/33] drm/mediatek: add connection from RDMA0 to COLOR0 yongqiang.niu
2019-07-08 22:34 ` [PATCH v4, 28/33] drm/mediatek: add connection from RDMA1 to DSI0 yongqiang.niu
2019-07-08 22:34 ` [PATCH v4, 29/33] drm/mediatek: add connection from OVL_2L0 to RDMA0 yongqiang.niu
2019-07-08 22:34 ` [PATCH v4, 30/33] drm/mediatek: add connection from OVL_2L1 to RDMA1 yongqiang.niu
2019-07-08 22:34 ` [PATCH v4, 31/33] drm/mediatek: add connection from DITHER0 to DSI0 yongqiang.niu
2019-07-08 22:34 ` [PATCH v4, 32/33] drm/mediatek: add connection from RDMA0 " yongqiang.niu
2019-07-08 22:34 ` [PATCH v4, 33/33] drm/mediatek: add support for mediatek SOC MT8183 yongqiang.niu

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